Which college was J.J. Watt playing for when he entered the NFL?

What position did Ray Lewis primarily play? Which college was Ray Lewis playing for when he entered the NFL? What jersey number did Ray Lewis wear with the Ravens? What position did J.J. Watt primarily play? What jersey number did J.J. Watt wear with the Texans? Aaron Donald is best known for playing with which NFL team? Which college was Aaron Donald playing for when he entered the NFL? What jersey number did Aaron Donald wear with the Rams?